1 files changed, 75 insertions, 0 deletions
diff --git a/contrib/edi/TagPacket.cpp b/contrib/edi/TagPacket.cpp
new file mode 100644
index 0000000..01a1ffe
--- /dev/null
+++ b/contrib/edi/TagPacket.cpp
@@ -0,0 +1,75 @@
+/*
+   Copyright (C) 2014
+   Matthias P. Braendli, matthias.braendli@mpb.li
+
+    http://www.opendigitalradio.org
+
+   EDI output.
+    This defines a TAG Packet.
+   */
+/*
+   This file is part of ODR-DabMux.
+
+   ODR-DabMux is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the
+   License, or (at your option) any later version.
+
+   ODR-DabMux is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with ODR-DabMux.  If not, see <http://www.gnu.org/licenses/>.
+   */
+
+#include "config.h"
+#include "edi/TagPacket.h"
+#include "edi/TagItems.h"
+#include <iostream>
+#include <string>
+#include <cassert>
+
+namespace edi {
+
+TagPacket::TagPacket(unsigned int alignment) : m_alignment(alignment)
+{ }
+
+std::vector<uint8_t> TagPacket::Assemble()
+{
+    std::list<TagItem*>::iterator tag;
+
+    std::vector<uint8_t> packet;
+
+    //std::cerr << "Assemble TAGPacket" << std::endl;
+
+    for (tag = tag_items.begin(); tag != tag_items.end(); ++tag) {
+        std::vector<uint8_t> tag_data = (*tag)->Assemble();
+        packet.insert(packet.end(), tag_data.begin(), tag_data.end());
+
+        //std::cerr << "     Add TAGItem of length " << tag_data.size() << std::endl;
+    }
+
+    if (m_alignment == 0) { /* no padding */ }
+    else if (m_alignment == 8) {
+        // Add padding inside TAG packet
+        while (packet.size() % 8 > 0) {
+            packet.push_back(0); // TS 102 821, 5.1, "padding shall be undefined"
+        }
+    }
+    else if (m_alignment > 8) {
+        TagStarDMY dmy(m_alignment - 8);
+        auto dmy_data = dmy.Assemble();
+        packet.insert(packet.end(), dmy_data.begin(), dmy_data.end());
+    }
+    else {
+        std::cerr << "Invalid alignment requirement " << m_alignment <<
+            " defined in TagPacket" << std::endl;
+    }
+
+    return packet;
+}
+
+}
+